Pololu 23201a Serial Adapter Fully Assembled vs QTR-HD-25RC Reflectance Sensor Array: 25-Channel, 4mm Pitch, RC Output
Pololu 23201a Serial Adapter Fully Assembled and QTR-HD-25RC Reflectance Sensor Array: 25-Channel, 4mm Pitch, RC Output are compared below on the data published by their sellers — price converted to euros, stock, and every specification either seller discloses. On price, Pololu 23201a Serial Adapter Fully Assembled is €11.43 cheaper ($16.90).
| Criterion |  Pololu 23201a Serial Adapter Fully Assembled |  QTR-HD-25RC Reflectance Sensor Array: 25-Channel, 4mm Pitch, RC Output |
|---|---|---|
| Price | $16.90cheapest | $30.09 |
| Seller | Pololu | Pololu |
| Availability | In stock | In stock |
| Rating | — | — |
| Voltage max. | — | 5.5 V |
| Voltage min. | — | 2.9 V |
| Weight | 11.3 g | 6.6 g |
| Led current | — | 30 mA |
| Maximum current draw | — | 405 mA |
| Maximum range | — | 50 mm |
| Optimal range | — | 5 mm |
| Other pcb markings | — | 0J11373 |
| Output type | — | RC (measurable by digital I/O) |
| Partial kit | No | — |
| Pcb dev codes | — | irs45a |
| Peak wavelength | — | 940 nm |
| Sensor count | — | 25 |
| Sensor pitch | — | 4 mm |
| Sensor type | — | QTR |
| Size | — | 101.0 × 16.5 × 2.5 mm |
| View at seller ↗ | View at seller ↗ |
Specifications are extracted automatically from seller data — an empty cell means the seller does not publish that value, not that the product lacks it.
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